- Abdominal/pelvic computed tomography (CT) scan with contrast is preferred; abdominal CT alone is acceptable only if insurance restrictions are experienced; chest CT/x-ray (CT of chest preferred) within 31 days of registration on study (or within 31 days prior to day 1 of chemo post-surgery for those patients having started chemotherapy prior to first step registration); patients allergic to intravenous (IV) contrast can have magnetic resonance imaging (MRI) of the abdomen/pelvis instead